- All other disease modifying non-biologic anti-rheumatic drugs (DMARDs) must have been discontinued at least 28 days prior to randomization except for leflunomide (discontinued at least 60 days before randomization). Etanercept (discontinued at least 28 days prior to randomization) and infliximab, adalimumab, and abatacept (discontinued at least 56 days prior to randomization)